PHP typechecker 예제들

예제 #1

파일: functiontypes.php 프로젝트: StretchProjects/php7

<?php

/* 
 * Stretch Projects - What's new in PHP7?
 * 
 * YouTube: http://www.youtube.com/StretchProjects
 * Twitter: http://www.twitter.com/StretchProjects
 * GitHub:  http://www.github.com/StretchProjects
 */
function typechecker($input)
{
    echo 'is a float: ' . is_float($input) . '<br>';
    echo 'is an integer: ' . is_int($input) . '<br>';
    echo 'is an boolean: ' . is_bool($input) . '<br>';
    echo 'is a string: ' . is_string($input) . '<br>';
}
function test() : string
{
    return "text";
}
typechecker(test());

예제 #2

파일: scalartypehints.php 프로젝트: StretchProjects/php7

<?php

/* 
 * Stretch Projects - What's new in PHP7?
 * 
 * YouTube: http://www.youtube.com/StretchProjects
 * Twitter: http://www.twitter.com/StretchProjects
 * GitHub:  http://www.github.com/StretchProjects
 */
declare (strict_types=1);
function typechecker(int $input)
{
    echo 'is a float: ' . is_float($input) . '<br>';
    echo 'is an integer: ' . is_int($input) . '<br>';
    echo 'is an boolean: ' . is_bool($input) . '<br>';
    echo 'is a string: ' . is_string($input) . '<br>';
}
typechecker(1);